Iron- Catalyzed 1,2-Addition of Perfluoroalkyl Iodides to Alkynes and Alkenes
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The goal of this thesis was to find conditions to form C-C double bond and single bond using sulfonyl derivativies, which are arising from the Vogel's oxyallylation cascades. In a second chapter, it is shown that 2-methylprop-2-ene-1-sulfonyl fluorides can ...
1-Alkenyl chlorides, bromides or iodides, e.g., cis-1-chloro-1-octene, can be obtained with very high cis selectivities by Wittig reactions with a-chloro, a-bromo and a-iodo ylides derived from (2-MeOCH2C6H4)3P. The corresponding a-methoxy substituted ylid ...
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In the presence of iron(II) chloride (FeCl2 ; 20 mol%) and potassium tert-butoxide (t- BuOK; 4 equiv.) in dimethyl sulfoxide (DMSO), aryl and heteroaryl iodides undergo stereoselective Mizoroki–Heck C—C cross-coupling reactions with styrenes at 60 8C givin ...
Optically active 1,3-diethynylallenes (DEAs) were prepd. by enantioselective Pd-mediated SN2'-type cross-coupling and their abs. configuration was detd. by X-ray anal. Addn. of tetracyanoethene (TCNE) to donor-substituted DEAs affords novel 1,1,4,4-tetracy ...
A series of relatively low-cost ionic liquids, based on the N-butyronitrile pyridinium cation C(3)CNpy, designed to improve catalyst retention, have been prepared and evaluated in Suzuki and Stille coupling reactions. Depending on the nature of the an ...
Under CO atmosphere and in the presence of Pd-2(dba)(3) and Ph(3)As a suitably protected 1-stannylglucal derivative could be carbonylated and coupled to 5-bromo-7-oxabicyclo[2.2.1]hept-5-en-2-yl derivatives. The carbonylative Stille coupling was also succe ...
